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Posted this in the TECH section, but I know that there are more folks over in this section, so...
Well, I got a stock MAF today and installed it to fix my P0101 and drove the car for about 30 minutes and everything was fine and when I went to park the car for the night I through a code... I am thinking, great the P0101 Code is back, but I check and it is a PCM P0175 (H)(Fuel Trim System Rich Bank #2).
Well, just a little history, I just got done doing a HEADS and CAM install which included SVO 30lb injectors and it was DYNO TUNED by MIKE NORRIS down in Orlando and he tuned it a little bit rich for my N2O, however I haven't thrown this code yet and I have been driving it around for a week now.
I believe it has something to do with the MAF being changed back to a stock MAF and the PCM adjusted to the change. At least I hope that what it is, the service manual seems to think so.